How does Rio Vista Elementary compare to other elementary schools in Bay Point?

Rio Vista Elementary has a SchoolScope composite score of 30.0/100, placing it at the 10th percentile statewide. 8% of students exceed standard, with a total of 756 students tested across grades and subjects.

What percentage of students exceed standards at Rio Vista Elementary?

8.0% of students at Rio Vista Elementary exceed the state standard on CAASPP assessments, while 20.0% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Rio Vista Elementary improving or declining?

Rio Vista Elementary's proficiency rate decreases by 5.2 percentage points from grade 3 to grade 5, suggesting the school is not sustaining early academic gains.

What is the chronic absenteeism rate at Rio Vista Elementary?

41.2% of students at Rio Vista Elementary are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Rio Vista Elementary

Mt. Diablo Unified Bay Point Contra Costa County 94565

Composite Score

out of 100

State Percentile

of elementary schools

State Rank

756 students tested

School overview

Enrollment

455 students

Student-Teacher Ratio

25:1

Free/Reduced Lunch

76%

Teachers

18 full-time

Student demographics

Hispanic 72.8%

White 2.6%

Asian 4.6%

Black 8.6%

Other 11.4%

Performance breakdown

Performance breakdown for Rio Vista Elementary
Category	Percentage
Exceeded Standard	8.0%
Met Standard	11.9%
Below Standard	80.0%

Exceeded

8.0%

Met

11.9%

Below

80.0%

What other rankings don't show you

Most rating sites report "20% proficient" for Rio Vista Elementary and stop there. Here's what that number hides:

8.0% of students exceeded standard while 11.9% merely met it. That exceeded rate is 12.9 points below the state average of 21.0%. That's 10.8 points below the Mt. Diablo Unified district average of 18.8%. Nearby schools (within ~3 miles) average 6.4% exceeded — about the same. The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

Proficiency drops by 5.2 percentage points from grade 3 to grade 5 — a signal that the school may not be sustaining early gains.

Chronic absenteeism is 41.2%, above the state average of 18.7%.